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  • WebSocket handshake with Ruby and EM::WebSocket::Server

    - by Chad Johnson
    I am trying to create a simple WebSocket connection in JavaScript against my Rails app. I get the following: WebSocket connection to 'ws://localhost:4000/' failed: Error during WebSocket handshake: 'Sec-WebSocket-Accept' header is missing What am I doing wrong? Here is my code: JavaScript: var socket = new WebSocket('ws://localhost:4000'); socket.onopen = function() { var handshake = "GET / HTTP/1.1\n" + "Host: localhost\n" + "Upgrade: websocket\n" + "Connection: Upgrade\n" + "Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==\n" + "Sec-WebSocket-Protocol: quote\n" + "Sec-WebSocket-Version: 13\n" + "Origin: http://localhost\n"; socket.send(handshake); }; socket.onmessage = function(data) { console.log(data); }; Ruby: require 'rubygems' require 'em-websocket-server' module QuoteService class WebSocket < EventMachine::WebSocket::Server def on_connect handshake_response = "HTTP/1.1 101 Switching Protocols\n" handshake_response << "Upgrade: websocket\n" handshake_response << "Connection: Upgrade\n" handshake_response << "Sec-WebSocket-Accept: HSmrc0sMlYUkAGmm5OPpG2HaGWk=\n" handshake_response << "Sec-WebSocket-Protocol: quote\n" send_message(handshake_response) end def on_receive(data) puts 'RECEIVED: ' + data end end end EventMachine.run do print 'Starting WebSocket server...' EventMachine.start_server '0.0.0.0', 4000, QuoteService::WebSocket puts 'running' end The handshake headers are per Wikipedia.

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  • Set List View Size Android

    - by Sandeep
    Hello , I am using List View in my project where i have used a xml file which is used to create the list item.Then i have used it programmatically in my class which is extended by ListActivity. But the problem is i have to add a button in the bottom of screen which is not related to list view but List view covers all the screen. So,is there any way to add button in bottom with list view in android. My Code is :- import android.app.ListActivity; import android.content.Intent; import android.os.Bundle; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ImageView; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; import android.widget.AdapterView.OnItemClickListener; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.Window; public class Options extends ListActivity { String[] items; @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); requestWindowFeature(Window.FEATURE_RIGHT_ICON); items = getResources().getStringArray(R.array.chantOption_array); setListAdapter(new IconicAdapter()); ListView lv = getListView(); lv.setTextFilterEnabled(true); lv.setBackgroundResource(R.drawable.ichant_logo); setFeatureDrawableResource(Window.FEATURE_RIGHT_ICON, R.drawable.icon_t); lv.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> parent, View view, int position, long id) { // When clicked, show a toast with the TextView text Toast.makeText(getApplicationContext(), items[position], Toast.LENGTH_SHORT).show(); if ("Gayatri Mantra".equals(items[position].toString())) { int[] timeintervals = { 23900, 24000 }; // startChantActivity(TotalMala_loop,Total_Bead_Loop,BacgroundImage,Icon,Title,BeadsTotalTimeIntervals+totalTimeDurationOfAudio) startChantActivity(2, 108, R.drawable.gayatri, R.raw.gayatri, R.drawable.icon_gayatri, "Gayatri Mantra", timeintervals); } if ("Om Mani Padme Hum".equals(items[position].toString())) { int[] timeintervals = { 5500, 8200, 11100, 13900, 34100, 36700, 39500, 42300, 59300, 62000, 64800, 67600, 124600 }; // startChantActivity(TotalMala_loop,Total_Bead_Loop,BacgroundImage,Icon,Title,BeadsTotalTimeIntervals+totalTimeDurationOfAudio) startChantActivity(2, 108, R.drawable.ommanipadmehum, R.raw.om_mani, R.drawable.icon_padme, "Om Mani Padme Hum", timeintervals); } if ("Sai Ram".equals(items[position].toString())) { // Audio time interval for bead+total time duration of audio int[] timeintervals = { 4800, 7500, 10400, 12600, 15800, 18600, 21600, 24400, 25000 }; // startChantActivity(TotalMala_loop,Total_Bead_Loop,BacgroundImage,Icon,Title,BeadsTotalTimeIntervals+totalTimeDurationOfAudio) startChantActivity(2, 108, R.drawable.sairam, R.raw.sairam, R.drawable.icon_sairam, "Sai Ram", timeintervals); } if ("Aum".equals(items[position].toString())) { // Audio time interval for bead+total time duration of audio int[] timeintervals = { 12850, 13000 }; // startChantActivity(TotalMala_loop,Total_Bead_Loop,BacgroundImage,Icon,Title,BeadsTotalTimeIntervals+totalTimeDurationOfAudio) startChantActivity(2, 108, R.drawable.aum, R.raw.aum, R.drawable.ico_aum, "Aum", timeintervals); } } }); } class IconicAdapter extends ArrayAdapter { IconicAdapter() { super(Options.this, R.layout.list_item, items); } public View getView(int position, View convertView, ViewGroup parent) { LayoutInflater inflater = getLayoutInflater(); View row = inflater.inflate(R.layout.list_item, parent, false); TextView label = (TextView) row.findViewById(R.id.label); label.setText(" "+items[position]); ImageView icon = (ImageView) row.findViewById(R.id.icon); if (items[position].equals("Gayatri Mantra")) { icon.setImageResource(R.drawable.icon_gayatri); } if (items[position].equals("Om Mani Padme Hum")) { icon.setImageResource(R.drawable.icon_padme); } if (items[position].equals("Sai Ram")) { icon.setImageResource(R.drawable.icon_sairam); } if (items[position].equals("Aum")) { icon.setImageResource(R.drawable.ico_aum); } return (row); } } protected void startChantActivity(int mala_loop, int beads_loop, int background, int media, int titleIcon, String title, int[] timeintervals) { Bundle bundle = new Bundle(); bundle.putInt("mala_loop", mala_loop); bundle.putInt("beads_loop", beads_loop); bundle.putInt("background", background); bundle.putInt("media", media); bundle.putInt("titleIcon", titleIcon); bundle.putString("title", title); bundle.putIntArray("intervals", timeintervals); Intent intent = new Intent(this, ChantBliss.class); intent.putExtras(bundle); startActivityForResult(intent, this.getSelectedItemPosition()); } } And Corresponding xml file is: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <ImageView android:id="@+id/icon" android:layout_width="wrap_content" android:paddingLeft="2px" android:paddingRight="2px" android:paddingTop="2px" android:layout_height="wrap_content" /> <TextView android:id="@+id/label" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="22sp" android:textColor="#ff000000" /> </LinearLayout> Thanks in Advance: Sandeep

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  • jQuery input mask length

    - by Tim
    Hey all, I have an input field and I want to limit it to alphanumerical (A-Z, a-z, 0-9) characters only, with a MINIMUM field length of 5, and a maximum length of up to 15 characters total. Does anyone know how I can do this using jQuery? I'm trying to use the jQuery input mask by digitalBush - http://digitalbush.com/projects/masked-input-plugin/ The problem is that UNLESS I enter 15 characters, the field goes blank. If I enter "012345678912345" (15 characters) in the input field then the value is stored and it's fine. But if I enter "12345" as a username, when that input box loses focus its value goes back to being blank. Is there something that I can change in the "definitions" or options somewhere that fixes this? Many thanks for your help :) Tim

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  • CruiseControl.NET: using $(CCNetLabel ) inside ccnet.config file

    - by minty
    When calling external processes like MSBuild cruise control sets environment variables. One of values is CCNetLabel. it holds the value of the current projects label. I want to use the same values in ccnet config itself but when I try ccnet config has a problem. I get the following error: [CCNet Server:ERROR] INTERNAL ERROR: Reference to unknown symbol CCNetLabel ---------- ThoughtWorks.CruiseControl.Core.Config.Preprocessor.EvaluationException: Reference to unknown symbol CCNetLabel at ThoughtWorks.CruiseControl.Core.Config.Preprocessor.ConfigPreprocessorEnvironment._GetConstantDef(String name) at ThoughtWorks.CruiseControl.Core.Config.Preprocessor.ConfigPreprocessorEnvironment.eval_text_constant(String name) ..... ---------- I actually want to append the CCNetLabel to another variable so I need to access the property in ccnet.config. is there a different way to reference these variables?

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  • Sunrise / set calculations

    - by dassouki
    I'm trying to calculate the sunset / rise times using python based on the link provided below. My results done through excel and python do not match the real values. Any ideas on what I could be doing wrong? My Excel sheet can be found under .. http://transpotools.com/sun_time.xls # Created on 2010-03-28 # @author: dassouki # @source: [http://williams.best.vwh.net/sunrise_sunset_algorithm.htm][2] # @summary: this is based on the Nautical Almanac Office, United States Naval # Observatory. import math, sys class TimeOfDay(object): def calculate_time(self, in_day, in_month, in_year, lat, long, is_rise, utc_time_zone): # is_rise is a bool when it's true it indicates rise, # and if it's false it indicates setting time #set Zenith zenith = 96 # offical = 90 degrees 50' # civil = 96 degrees # nautical = 102 degrees # astronomical = 108 degrees #1- calculate the day of year n1 = math.floor( 275 * in_month / 9 ) n2 = math.floor( ( in_month + 9 ) / 12 ) n3 = ( 1 + math.floor( in_year - 4 * math.floor( in_year / 4 ) + 2 ) / 3 ) new_day = n1 - ( n2 * n3 ) + in_day - 30 print "new_day ", new_day #2- calculate rising / setting time if is_rise: rise_or_set_time = new_day + ( ( 6 - ( long / 15 ) ) / 24 ) else: rise_or_set_time = new_day + ( ( 18 - ( long/ 15 ) ) / 24 ) print "rise / set", rise_or_set_time #3- calculate sun mean anamoly sun_mean_anomaly = ( 0.9856 * rise_or_set_time ) - 3.289 print "sun mean anomaly", sun_mean_anomaly #4 calculate true longitude true_long = ( sun_mean_anomaly + ( 1.916 * math.sin( math.radians( sun_mean_anomaly ) ) ) + ( 0.020 * math.sin( 2 * math.radians( sun_mean_anomaly ) ) ) + 282.634 ) print "true long ", true_long # make sure true_long is within 0, 360 if true_long < 0: true_long = true_long + 360 elif true_long > 360: true_long = true_long - 360 else: true_long print "true long (360 if) ", true_long #5 calculate s_r_a (sun_right_ascenstion) s_r_a = math.degrees( math.atan( 0.91764 * math.tan( math.radians( true_long ) ) ) ) print "s_r_a is ", s_r_a #make sure it's between 0 and 360 if s_r_a < 0: s_r_a = s_r_a + 360 elif true_long > 360: s_r_a = s_r_a - 360 else: s_r_a print "s_r_a (modified) is ", s_r_a # s_r_a has to be in the same Quadrant as true_long true_long_quad = ( math.floor( true_long / 90 ) ) * 90 s_r_a_quad = ( math.floor( s_r_a / 90 ) ) * 90 s_r_a = s_r_a + ( true_long_quad - s_r_a_quad ) print "s_r_a (quadrant) is ", s_r_a # convert s_r_a to hours s_r_a = s_r_a / 15 print "s_r_a (to hours) is ", s_r_a #6- calculate sun diclanation in terms of cos and sin sin_declanation = 0.39782 * math.sin( math.radians ( true_long ) ) cos_declanation = math.cos( math.asin( sin_declanation ) ) print " sin/cos declanations ", sin_declanation, ", ", cos_declanation # sun local hour cos_hour = ( math.cos( math.radians( zenith ) ) - ( sin_declanation * math.sin( math.radians ( lat ) ) ) / ( cos_declanation * math.cos( math.radians ( lat ) ) ) ) print "cos_hour ", cos_hour # extreme north / south if cos_hour > 1: print "Sun Never Rises at this location on this date, exiting" # sys.exit() elif cos_hour < -1: print "Sun Never Sets at this location on this date, exiting" # sys.exit() print "cos_hour (2)", cos_hour #7- sun/set local time calculations if is_rise: sun_local_hour = ( 360 - math.degrees(math.acos( cos_hour ) ) ) / 15 else: sun_local_hour = math.degrees( math.acos( cos_hour ) ) / 15 print "sun local hour ", sun_local_hour sun_event_time = sun_local_hour + s_r_a - ( 0.06571 * rise_or_set_time ) - 6.622 print "sun event time ", sun_event_time #final result time_in_utc = sun_event_time - ( long / 15 ) + utc_time_zone return time_in_utc #test through main def main(): print "Time of day App " # test: fredericton, NB # answer: 7:34 am long = 66.6 lat = -45.9 utc_time = -4 d = 3 m = 3 y = 2010 is_rise = True tod = TimeOfDay() print "TOD is ", tod.calculate_time(d, m, y, lat, long, is_rise, utc_time) if __name__ == "__main__": main()

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  • Xdebug configuration with PHP fastcgi and eclipse?

    - by mac
    I have been using eclipse-pdt in conjunction with xdebug and apache without problems, for over one year. Things worked flawlessly and I could do all the interactive debugging I wanted from within eclipse (using my own machine as a server). Now I switched from apache to nginx (and therefore PHP runs now not as an Apache service but as fast-cgi) and I can't find a way to configure eclipse to work nicely with xdebug. I am neither sure if the problem is with xdebug or with eclipse (or both) to be sure. In the eclipse configuration I already changed the reference to the PHP configuration file to /etc/php5/cli/php.ini. Attempts with php.ini version 1 With the following php.ini file zend_extension=/usr/lib/php5/20060613/xdebug.so I see that xdebug is working (for example if I do a var_dump() I get the xdebug version of it, not the plain PHP one) I can't have the interactive debugging from eclipse: the browser opens up and loads the page completely with the typical URL containing ...?XDEBUG_SESSION_START=ECLIPSE_DBGP&KEY=..., but the program execution does not stop at breakpoints In the bottom-right corner of eclipse I see a suspicious message: *"Launching =put_the_name_of_my_project_here=: 57%"* that alternates with the "refreshing workspace" one. Attempts with php.ini version 2 If I use this other version of the file (which is what it worked until I switched to nginx): zend_extension=/usr/lib/php5/20060613/xdebug.so xdebug.remote_enable=On xdebug.remote_autostart=On xdebug.remote_handler=dbgp xdebug.remote_host=localhost xdebug.remote_port=9000 xdebug.remote_mode=req I can't access any page of my sites at all. Any help or suggestion appreciated, thank you in advance for your time! PS: Additional data on my machine: - OS: GNU/Linux - Ubuntu 9.10 64 bit. - PHP: 5.2.10-2ubuntu6.3 with Suhosin-Patch 0.9.7; Zend Engine v2.2.0, Copyright (c) 1998-2009 Zend Technologies with Xdebug v2.0.4 - Eclipse: see screenshot.

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  • Mac - Flash file not loaded in independent flash player

    - by Mugdha
    Hi, I am working on an independent application to play flash files on Mac. I have already done the same for Linux, and it works flawlessly but on mac for some reason flash is not drawing to my window. It is not throwing any kind of error too. I am using Flash player 10, that would mean that I am using the Core Graphics drawing model. I am able to send mouse events to flash and wrote a sample plugin to check if there was a problem in the context that I was sending, but my sample plugin draws properly to the window. I am getting a call for NPN_InvalidateRect twice and as a response I send an update Event back to flash. I drew a dummy rectangle to check that my context is correct. I have flipped the context to make the origin as top left corner. On doing right click on the debug version of the flash player it shows the following message: "Movie not loaded..." Can anyone give me any idea why is the content not being drawn? I would really appreciate the help, as I have been struggling with it for more than a month now. Here is a small log of the interaction that I have with flash: NPN_UserAgent Called NPN_GetValue Called with variable NPNVWindowNPObject; return NULL NPN_GetValue Called with variable NPNVWindowNPObject; return NULL NPN_GetValue Called with variable NPNVSupportsWindowless; return true NPN_SetValue Called for Variable - NPPVpluginTransparentBool; return true NPN_GetValue Called with variable NPNVsupportsCoreGraphicsBool; return true NPN_SetValue Called for Variable - NPNVpluginDrawingModel NPP_SetWindow (CoreGraphics): 0, window=0xebaa90, context=0xe4c930, window.x:0 window.y:22 window.width:480 window.height:270 NPP_HandleEvent(activateEvent) accepted:0 isActive: 1 NPP_HandleEvent(updateEvt) accepted: 1 NPN_UserAgent Called NPN_GetURLNotify Called with URL - javascript:top.location+"flashplugin_unique" NPN_GetValue Called with variable NPNVWindowNPObject; return NULL NPP_NewStream URL=/Users/mjain/Desktop/clock.swf MIME=application/x-shockwave-flash error=0 NPP_WriteReady responseURL=/Users/mjain/Desktop/clock.swf bytes=268435455 NPN_InvalidateRect Called NPP_Write responseURL=/Users/mjain/Desktop/clock.swf bytes=9925 total-delivered=9925/9925 NPP_WriteReady responseURL=/Users/mjain/Desktop/clock.swf bytes=268435455 NPP_DestroyStream responseURL=/Users/mjain/Desktop/clock.swf error=0 NPP_HandleEvent(updateEvt) accepted: 1 NPN_InvalidateRect Called NPP_HandleEvent(updateEvt) accepted: 1 NPP_NewStream URL=javascript:top.location+"flashplugin_unique" MIME=text/plain error=0 NPP_WriteReady responseURL=javascript:top.location+"flashplugin_unique" bytes=16000 NPN_UserAgent Called NPP_Write responseURL=javascript:top.location+"flashplugin_unique" bytes=52 total-delivered=52/52 NPP_WriteReady responseURL=javascript:top.location+"flashplugin_unique" bytes=16000 NPP_DestroyStream responseURL=javascript:top.location+"flashplugin_unique" error=0 NPP_URLNotify responseURL=javascript:top.location+"flashplugin_unique" reason=0 Thanks Mugdha.

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  • Installshield Development Error durring the Installation process

    - by Alopekos
    Hey guys, I've been stuck by a problem for the past couple days that makes no sense to me. My installer builds fine in the Installshiled IDE but when it is about to finish the installation, int gets two errors then rollbacks: installation failure. Right when the install bar is at about 100%, an error box pops up that states this: "Error 1001.Exception occurred while initializing the installation: System.IO.FileLoadException: Attempt to load an unverifiable executable with fixups (IAT with more than 2 sections or a TLS section.) (Exception from HRESULT: 0x80131019)." The box pops up once, then the installer flashes its status to "rollback" then pops up another error box, then once 'ok'ed it procedes to rollback as usual. I don't understand that error message so i looked in the msi loggings and found this: "InstallShield 13:20:08: Initializing Property Bag... InstallShield 13:20:08: Getting file count from property bag InstallShield 13:20:08: File Count : 7 InstallShield 13:20:08: Sorting Based On Order... InstallShield 13:20:08: This setup is running on a 32-bit Windows...No need to load ISBEW64.exe InstallShield 13:20:08: Registering file C:\Program Files\Cadwell\Easy III\QMWSChartDataServer.dll (32-bit) InstallShield 13:20:09: Registering file C:\Program Files\Cadwell\Easy III\DataDelivery.dll (32-bit) InstallShield 13:20:09: Registering file C:\Program Files\Cadwell\Easy III\QMGlobalData.dll (32-bit) InstallShield 13:20:09: Registering file C:\Program Files\Cadwell\Easy III\QMAdoDB.dll (32-bit) InstallShield 13:20:09: Registering file C:\Program Files\Cadwell\Easy III\QMPatientData.dll (32-bit) InstallShield 13:20:09: Registering file C:\Program Files\Cadwell\Easy III\MedShareGlobalData.dll (32-bit) InstallShield 13:20:09: Registering file C:\Program Files\Cadwell\Easy III\MedDirectory.dll (32-bit) InstallShield 13:20:09: Begin Comitting Property Bag InstallShield 13:20:09: Write KeyList count InstallShield 13:20:09: Finished Comitting Property Bag Action 13:20:09: _EBDE7916DF6AF3B644016C54F66930DC.commit. Action 13:20:09: _EBDE7916DF6AF3B644016C54F66930DC.rollback. Action 13:20:09: _EBDE7916DF6AF3B644016C54F66930DC.install. Error 1001.Exception occurred while initializing the installation: System.IO.FileLoadException: Attempt to load an unverifiable executable with fixups (IAT with more than 2 sections or a TLS section.) (Exception from HRESULT: 0x80131019). MSI (s) (34!84) [13:20:26:455]: Info 2769.Custom Action _EBDE7916DF6AF3B644016C54F66930DC.install did not close 1 MSIHANDLEs. Action ended 13:20:26: InstallFinalize. Return value 3. Action 13:20:26: Rollback. Rolling back action: Rollback: _EBDE7916DF6AF3B644016C54F66930DC.install Rollback: _EBDE7916DF6AF3B644016C54F66930DC.rollback Error 1001.Exception occurred while initializing the installation: System.IO.FileLoadException: Attempt to load an unverifiable executable with fixups (IAT with more than 2 sections or a TLS section.) (Exception from HRESULT: 0x80131019). MSI (s) (34!E8) [13:20:27:036]: Info 2769.Custom Action _EBDE7916DF6AF3B644016C54F66930DC.rollback did not close 1 MSIHANDLEs. Rollback: _EBDE7916DF6AF3B644016C54F66930DC.commit Rollback: ISSelfRegisterFiles Rollback: Registering modules Rollback: Registering type libraries Rollback: Writing system registry values Rollback: Registering program identifiers" All rollbacking commands after this point. For some reason it looks like to me that installshield is trying to launch my program before it finishes the installation, even when I told it to prompt the user to decide to launch. Is this a registering command system that makes it attemp or what? I've been scouring the web all day and I've found some ideas, but I havent seen any solutions as of yet. The installers that I've tried(and failed) have always needed to be Setup.exes, when i try to build a .msi only setup I get this error message. It may help someone who knows more about this system than I do. Your project contains InstallShield prerequisites. A Setup.exe setup launcher is required if you are build a release that includes InstallShield prerequisites. Change your release settings to build Setup.exe, or remove the prerequisites from your project. -7076 There's nothing on the site that has anything from the error code, so I'm at a loss. Thanks for any help possible, I'm an intern and I'm fresh out of ideas... Josh System: XP SP3 Installshield 2010 Pro Install being tested on a VirtualPC

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  • how to tackle this combinatorial algorithm problem

    - by Andrew Bullock
    I have N people who must each take T exams. Each exam takes "some" time, e.g. 30 min (no such thing as finishing early). Exams must be performed in front of an examiner. I need to schedule each person to take each exam in front of an examiner within an overall time period, using the minimum number of examiners for the minimum amount of time (i.e. no examiners idle) There are the following restrictions: No person can be in 2 places at once each person must take each exam once noone should be examined by the same examiner twice I realise that an optimal solution is probably NP-Complete, and that I'm probably best off using a genetic algorithm to obtain a best estimate (similar to this? http://stackoverflow.com/questions/184195/seating-plan-software-recommendations-does-such-a-beast-even-exist). I'm comfortable with how genetic algorithms work, what i'm struggling with is how to model the problem programatically such that i CAN manipulate the parameters genetically.. If each exam took the same amount of time, then i'd divide the time period up into these lengths, and simply create a matrix of time slots vs examiners and drop the candidates in. However because the times of each test are not necessarily the same, i'm a bit lost on how to approach this. currently im doing this: make a list of all "tests" which need to take place, between every candidate and exam start with as many examiners as there are tests repeatedly loop over all examiners, for each one: find an unscheduled test which is eligible for the examiner (based on the restrictions) continue until all tests that can be scheduled, are if there are any unscheduled tests, increment the number of examiners and start again. i'm looking for better suggestions on how to approach this, as it feels rather crude currently.

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  • iPhone / Objective-C: NSMutableArray writeToFile won't write to file. Always returns NO

    - by Joel
    I'm trying to serialize two NSMutableArrays of NSObjects that implement the NSCoding protocol. However it works for one (stacks) and not the other (cards). I have the following block of code: -(void) saveCards { NSArray* paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString* documentsDirectory = [paths objectAtIndex:0]; NSString* cardsFile = [documentsDirectory stringByAppendingPathComponent:@"cards.state"]; NSString* stacksFile = [documentsDirectory stringByAppendingPathComponent:@"stacks.state"]; BOOL c = [rootStack.cards writeToFile:cardsFile atomically:YES]; BOOL s = [rootStack.stacks writeToFile:stacksFile atomically:YES]; } I step through this method using the debugger, and after the last two lines of code run, I check the values of the two BOOLs. BOOL c is NO and BOOL s is YES. The stacks array is actually empty (which is probably why it works). The cards array has contents. Why is it that the array with contents is failing? I can't figure this out. I've looked through numerous threads on SOF, each of them say the problem is because the protection level of the files they were writing were preventing them from writing. This is not my problem, as I'm writing to the Documents folder. I've double and tripple checked that neither rootStack.cards nor rootStack.stacks is nil. And I've checked that cards does indeed have content. Here are the coder methods for my Notecard class (I added all the if statments as part of trying to solve this problem to make sure trying to encode nil values doesn't break something): -(void) encodeWithCoder:(NSCoder *)encoder { if(text) [encoder encodeObject:text forKey:@"text"]; if(backText) [encoder encodeObject:backText forKey:@"backText"]; if(x) [encoder encodeObject:x forKey:@"x"]; if(y) [encoder encodeObject:y forKey:@"y"]; if(width) [encoder encodeObject:width forKey:@"width"]; if(height) [encoder encodeObject:height forKey:@"height"]; if(timeCreated) [encoder encodeObject:timeCreated forKey:@"timeCreated"]; if(audioManagerTicket) [encoder encodeObject:audioManagerTicket forKey:@"audioManagerTicket"]; if(backgroundColor) [encoder encodeObject:backgroundColor forKey:@"backgroundColor"]; } -(id) initWithCoder:(NSCoder *)decoder { self = [super init]; if(!self) return nil; self.text = [decoder decodeObjectForKey:@"text"]; self.backText = [decoder decodeObjectForKey:@"backText"]; self.x = [decoder decodeObjectForKey:@"x"]; self.y = [decoder decodeObjectForKey:@"y"]; self.width = [decoder decodeObjectForKey:@"width"]; self.height = [decoder decodeObjectForKey:@"height"]; self.timeCreated = [decoder decodeObjectForKey:@"timeCreated"]; self.audioManagerTicket = [decoder decodeObjectForKey:@"audioManagerTicket"]; self.backgroundColor = [decoder decodeObjectForKey:@"backgroundColor"]; return self; } each field is either an NSString, NSNumber, or UIColor. Thanks for any help

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  • Expire Output Cache ASP.Net MVC

    - by Max Fraser
    I am using the standared outputcache tag in my MVC app which works great but I need to force it to be dumped at certain times. How do I achieve this? The page that gets cached is built from a very simple route {Controller}/{PageName} - so most pages are something like this: /Pages/About-Us Here is the output cache tag that is at the top of my .aspx v iew page just to be clear: <@ OutputCache Duration="100" VaryByParam="None" %> So in another action on the same controller where content is updated I need to dump this cache, or even all of it - it's a very small app so not a big deal deal to dump all cached items.

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  • Sending a Tuple object over WCF?

    - by Donut
    Is the System.Tuple class supported by WCF's Data Contract Serializer (i.e., can I pass Tuple objects to WCF calls and/or receive them as part or all of the result)? I found this page, but not the clear, definitive "you can send and receive Tuples with WCF" answer I was hoping for. I'm guessing that you can, as long as all of the types within the Tuple itself are supported by the Data Contract Serializer -- can anyone provide me with a more definitive answer? Thanks.

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  • Help with string manipulation function

    - by MusiGenesis
    I have a set of strings that contain within them one or more question marks delimited by a comma, a comma plus one or more spaces, or potentially both. So these strings are all possible: BOB AND ? BOB AND ?,?,?,?,? BOB AND ?, ?, ? ,? BOB AND ?,? , ?,? ?, ? ,? AND BOB I need to replace the question marks with @P#, so that the above samples would become: BOB AND @P1 BOB AND @P1,@P2,@P3,@P4,@P5 BOB AND @P1,@P2,@P3,@P4 BOB AND @P1,@P2,@P3,@P4 @P1,@P2,@P3 AND BOB What's the best way to do this without regex or Linq?

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  • jQuery / Dynatree: How to use Json or ul/li together with IFrame sample

    - by ggerri
    Hi I'm a newbie with dynatree, but happy that i've found this supercool plugin. On the dynatree site, I've found an example how to use it with IFrames http://wwwendt.de/tech/dynatree/doc/sample-iframe.html I was able to adapt the IFrame example successfully. But i'm a bit stuck here, because I'd like to load the tree either via UL/LI or better, with Jason/Ajax. my problem now is, that I dont understand how to provide ther url/links with LI or Jason, so that clicking an entry still opens the linked site in the iframe. Also don't know how I have to format parents/children/subchildren in Json.. Would anybody be so kind to give a sample with iframe and jason/ajax or iframe with ul/li? Thanks a lot :-) G

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  • OrderBy and Distinct using LINQ-to-Entities

    - by BlueRaja
    Here is my LINQ query: (from o in entities.MyTable orderby o.MyColumn select o.MyColumn).Distinct(); Here is the result: {"a", "c", "b", "d"} Here is the generated SQL: SELECT [Distinct1].[MyColumn] AS [MyColumn] FROM ( SELECT DISTINCT [Extent1].[MyColumn] AS [MyColumn] FROM [dbo].[MyTable] AS [Extent1] ) AS [Distinct1] Is this a bug? Where's my ordering, damnit?

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  • Python 2 dict_items.sort() in Python 3

    - by DaveWeber
    I'm porting some code from Python 2 to 3. This is valid code in Python 2 syntax: def print_sorted_dictionary(dictionary): items=dictionary.items() items.sort() In Python 3, the dict_items have no method 'sort' - how can I make a workaround for this in Python 3?

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  • Powershell Transcript is empty when running script from SQL Agent Job in 2005 SQL Server

    - by Greg Bray
    I have a complex Powershell script that gets run as part of a SQL 2005 Server Agent Job. The script works fine, but it uses the "Start-Transcript $strLogfile -Append" command to log all of it's actions to a transcript file. The problem is that the transcript is always empty. It adds the header and footer to indicate that the transcript is starting and stopping, but it doesn't actually log anything. Example: ********************** Windows PowerShell Transcript Start Start time: 20100304173001 Username : xxxxxxxxxxxx\SYSTEM Machine : xxxxx-xxx (Microsoft Windows NT 5.2.3790 Service Pack 2) ********************** ********************** Windows PowerShell Transcript End End time: 20100304173118 ********************** When I execute the script from a command prompt or start - run everything works just fine. Here is the command used to run the script (same command used in the Operating system CmdExec step of the SQL Agent Job) powershell.exe -File "c:\temp\Backup\backup script.ps1" I first thought it must have something to do with the script running under the System account (default SQL Agent account), but even when I tried changing the SQL Agent to run under my own personal account it still created a blank transcript. Is there any way to get PowerShell Transcripts to work when executing them as part of a 2005 SQL Server Agent Job?

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  • KSoap2 Android not valid SOAP

    - by Rogier21
    Hello all, I am trying to post to my own test soap server (C#) with Android in combination with KSOAP2. Now I have the specifications from the SOAP server, it expects: POST /SharingpointCheckBarcode.asmx HTTP/1.1 Host: awc.test.trin-it.nl Content-Type: text/xml; charset=utf-8 Content-Length: length SOAPAction: "http://tempuri.org/checkBarcode" <?xml version="1.0" encoding="utf-8"?> <soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"> <soap:Header> <AuthHeader xmlns="http://tempuri.org/"> <username>string</username> <password>string</password> </AuthHeader> </soap:Header> <soap:Body> <checkBarcode xmlns="http://tempuri.org/"> <barcode>string</barcode> </checkBarcode> </soap:Body> </soap:Envelope> But what Android KSOAP2 sends out: <?xml version="1.0" encoding="utf-8"?> <v:Envelope xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns:d="http://www.w3.org/2001/XMLSchema" xmlns:c="http://schemas.xmlsoap.org/soap/encoding/" xmlns:v="http://schemas.xmlsoap.org/soap/envelope/"> <v:Header /> <v:Body> <checkBarcode xmlns="http://tempuri.org" id="o0" c:root="1"> <username i:type="d:string">test</username> <password i:type="d:string">test</password> <barcode i:type="d:string">2620813000301</barcode> </checkBarcode> </v:Body> </v:Envelope> With this code: try { SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME); request.addProperty("username", "test"); request.addProperty("password", "test"); request.addProperty("barcode", "2620813000301"); SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); envelope.dotNet = true; envelope.encodingStyle = "test"; envelope.setOutputSoapObject(request); AndroidHttpTransport androidHttpTransport = new AndroidHttpTransport (URL); androidHttpTransport.debug = true; androidHttpTransport.setXmlVersionTag("<?xml version=\"1.0\" encoding=\"utf-8\"?>"); androidHttpTransport.call(SOAP_ACTION, envelope); Log.d("MyAPP", "----------------- " + androidHttpTransport.requestDump +"\r\n\r\n" + androidHttpTransport.responseDump); ((TextView)findViewById(R.id.lblStatus)).setText(androidHttpTransport.requestDump +"\r\n\r\n" + androidHttpTransport.responseDump); } catch(Exception E) { ((TextView)findViewById(R.id.lblStatus)).setText("ERROR:" + E.getClass().getName() + ": " + E.getMessage()); } The response I get back from the server is that there are no results found, so not an error, but when I test it with another App or PHP, it with the same data, it says it's OK. I think it's because of the

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  • override GetControllerInstance in asp.NET MVC 2

    - by loviji
    I have a code in asp.net MVC v.1: protected override IController GetControllerInstance(Type controllerType) { string connectionString = ConfigurationManager.ConnectionStrings["someEntities"].ConnectionString; return Activator.CreateInstance(controllerType, new DataManager(connectionString)) as IController; } now I use asp.net mvc v.2. And I know that, now GetController implemented as public virtual IController CreateController(RequestContext requestContext, string controllerName); How can return old functionality of upper code?

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  • I need help in inno setup custom page

    - by vinutavishal
    in inno setup i hav created a custom page with following code and has 3 text boxes now i want to validate that text box on custom form next button click if in text.text='2121212' something text is entered by user then only next button enabled pls help any one its urgent [CustomMessages] CustomForm_Caption=CustomForm Caption CustomForm_Description=CustomForm Description CustomForm_Label1_Caption0=College Name: CustomForm_Label2_Caption0=Product Type: CustomForm_Label3_Caption0=Product ID: [Code] var Label1: TLabel; Label2: TLabel; Label3: TLabel; Edit1: TEdit; Edit2: TEdit; Edit3: TEdit; Edit4: TEdit; Edit5: TEdit; Edit6: TEdit; { CustomForm_Activate } procedure CustomForm_Activate(Page: TWizardPage); begin // enter code here... end; { CustomForm_ShouldSkipPage } function CustomForm_ShouldSkipPage(Page: TWizardPage): Boolean; begin Result := False; end; { CustomForm_BackButtonClick } function CustomForm_BackButtonClick(Page: TWizardPage): Boolean; begin Result := True; end; { CustomForm_NextkButtonClick } function CustomForm_NextButtonClick(Page: TWizardPage): Boolean; begin RegWriteStringValue(HKEY_LOCAL_MACHINE, 'Software\SGS2.2\CS', 'College Name', Edit1.Text); RegWriteStringValue(HKEY_LOCAL_MACHINE, 'Software\SGS2.2\CS', 'Product Type', Edit2.Text); RegWriteStringValue(HKEY_LOCAL_MACHINE, 'Software\SGS2.2\CS', 'Product ID', Edit3.Text); Result := True; end; { CustomForm_CancelButtonClick } procedure CustomForm_CancelButtonClick(Page: TWizardPage; var Cancel, Confirm: Boolean); begin // enter code here... end; { CustomForm_CreatePage } function CustomForm_CreatePage(PreviousPageId: Integer): Integer; var Page: TWizardPage; begin Page := CreateCustomPage( PreviousPageId, ExpandConstant('{cm:CustomForm_Caption}'), ExpandConstant('{cm:CustomForm_Description}') ); { Label1 } Label1 := TLabel.Create(Page); with Label1 do begin Parent := Page.Surface; Caption := ExpandConstant('{cm:CustomForm_Label1_Caption0}'); Left := ScaleX(16); Top := ScaleY(24); Width := ScaleX(70); Height := ScaleY(13); end; { Label2 } Label2 := TLabel.Create(Page); with Label2 do begin Parent := Page.Surface; Caption := ExpandConstant('{cm:CustomForm_Label2_Caption0}'); Left := ScaleX(17); Top := ScaleY(56); Width := ScaleX(70); Height := ScaleY(13); end; { Label3 } Label3 := TLabel.Create(Page); with Label3 do begin Parent := Page.Surface; Caption := ExpandConstant('{cm:CustomForm_Label3_Caption0}'); Left := ScaleX(17); Top := ScaleY(88); Width := ScaleX(70); Height := ScaleY(13); end; { Edit1 } Edit1 := TEdit.Create(Page); with Edit1 do begin Parent := Page.Surface; Left := ScaleX(115); Top := ScaleY(24); Width := ScaleX(273); Height := ScaleY(21); TabOrder := 0; end; { Edit2 } Edit2 := TEdit.Create(Page); with Edit2 do begin Parent := Page.Surface; Left := ScaleX(115); Top := ScaleY(56); Width := ScaleX(273); Height := ScaleY(21); TabOrder := 1; end; { Edit3 } Edit3 := TEdit.Create(Page); with Edit3 do begin Parent := Page.Surface; Left := ScaleX(115); Top := ScaleY(88); Width := ScaleX(273); Height := ScaleY(21); TabOrder := 2; end; with Page do begin OnActivate := @CustomForm_Activate; OnShouldSkipPage := @CustomForm_ShouldSkipPage; OnBackButtonClick := @CustomForm_BackButtonClick; OnNextButtonClick := @CustomForm_NextButtonClick; OnCancelButtonClick := @CustomForm_CancelButtonClick; end; Result := Page.ID; end; { CustomForm_InitializeWizard } procedure InitializeWizard(); begin CustomForm_CreatePage(wpWelcome); end;

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  • What is difference between RegSvr and RegServer?

    - by Rahul
    Why there is difference in registering COM component for 32-bit and 64-bit? I mean at one point you have to use like this, RegSvr32 COM.exe or RegSvr32 COM.dll On 64-bit OS you have to use like, COM.exe /RegServer COM.exe /RegSvr Does /RegServer and /RegSvr are same or different. If different then what is the difference. Thanks in advance, Rahul

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  • Sorting Android ListView

    - by aeoth
    I'm only starting with Android dev, and while the Milestone is a nice device Java is not my natural language and I'm struggling with both the Google docs on Android SDK, Eclipse and Java itself. Anyway... I'm writing a microblog client for Android to go along with my Windows client (MahTweets). At the moment I've got Tweets coming and going without fail, the problem is with the UI. The initial call will order items correctly (as in highest to lowest) 3 2 1 When a refresh is made 3 2 1 6 5 4 After the tweets are processed, I'm calling adapter.notifyDataSetChanged(); Initially I thought that getItem() on the Adapter needed to be sorted (and the code below is what I ended up with), but I'm still not having any luck. public class TweetAdapter extends BaseAdapter { private List<IStatusUpdate> elements; private Context c; public TweetAdapter(Context c, List<IStatusUpdate> Tweets) { this.elements = Tweets; this.c = c; } public int getCount() { return elements.size(); } public Object getItem(int position) { Collections.sort(elements, new IStatusUpdateComparator()); return elements.get(position); } public long getItemId(int id) { return id; } public void Remove(int id) { notifyDataSetChanged(); } public View getView(int position, View convertView, ViewGroup parent) { RelativeLayout rowLayout; IStatusUpdate t = elements.get(position); rowLayout = t.GetParent().GetUI(t, parent, c); return rowLayout; } class IStatusUpdateComparator implements Comparator { public int compare(Object obj1, Object obj2) { IStatusUpdate update1 = (IStatusUpdate)obj1; IStatusUpdate update2 = (IStatusUpdate)obj2; int result = update1.getID().compareTo(update2.getID()); if (result == -1) return 1; else if (result == 1) return 0; return result; } } } Is there a better way to go about sorting ListViews in Android, while still being able to use the LayoutInflater? (rowLayout = t.GetParent().GetUI(t, parent, c) expands the UI to the specific view which the microblog implementation can provide)

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  • Padding error when using RSA Encryption in C# and Decryption in Java

    - by Matt Shaver
    Currently I am receiving the following error when using Java to decrypt a Base64 encoded RSA encrypted string that was made in C#: javax.crypto.BadPaddingException: Not PKCS#1 block type 2 or Zero padding The setup process between the exchange from .NET and Java is done by creating a private key in the .NET key store then from the PEM file extracted, created use keytool to create a JKS version with the private key. Java loads the already created JKS and decodes the Base64 string into a byte array and then uses the private key to decrypt. Here is the code that I have in C# that creates the encrypted string: public string Encrypt(string value) { byte[] baIn = null; byte[] baRet = null; string keyContainerName = "test"; CspParameters cp = new CspParameters(); cp.Flags = CspProviderFlags.UseMachineKeyStore; cp.KeyContainerName = keyContainerName; RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(cp); // Convert the input string to a byte array baIn = UnicodeEncoding.Unicode.GetBytes(value); // Encrypt baRet = rsa.Encrypt(baIn, false); // Convert the encrypted byte array to a base64 string return Convert.ToBase64String(baRet); } Here is the code that I have in Java that decrypts the inputted string: public void decrypt(String base64String) { String keyStorePath = "C:\Key.keystore"; String storepass = "1234"; String keypass = "abcd"; byte[] data = Base64.decode(base64String); byte[] cipherData = null; keystore = KeyStore.getInstance("JKS"); keystore.load(new FileInputStream(keyStorePath), storepass.toCharArray()); RSAPrivateKey privateRSAKey = (RSAPrivateKey) keystore.getKey(alias, keypass.toCharArray()); Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding"); cipher.init(Cipher.DECRYPT_MODE, privateRSAKey); cipherData = cipher.doFinal(data); System.out.println(new String(cipherData)); } Does anyone see a step missing or where the padding or item needs to be changed? I have done hours of reading on this site and others but haven't really found a concrete solution. You're help is vastly appreciated. Thanks. -Matt

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  • Need explanation for this boost::asio timer example

    - by ApplePieIsGood
    There is a line in the 3rd tutorial on Boost asio that shows how to renew a timer and yet prevent there from being drift. The line is the following: t->expires_at(t->expires_at() + boost::posix_time::seconds(1)); Maybe it's me but I wasn't able to find documentation on the 2nd usage of expires_at(), with no parameters. expires_at(x) sets the new expiration, cancelling any pending completion handlers. So presumably expires_at() does what, return time of the last expiry? So by adding one second, if there should be some number of ms, say n ms, then it will in essence be "subtracted" from the next expiry since the time is being accounted for? What happens then if the time it takes to perform this handler is greater than 1 second in this example? Does it fire immediately?

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  • App ID and Bundle Seed ID in multiple applications with ASPN, InApp Purchase, and other

    - by Benny7500
    I will create multiple sale versions of the same application with push notifications feature: CoolApp (full version) CoolApp Free (free, features limited version) CoolApp InApp (free version upgradable to full via InApp Purchase) While registering for App ID in Apple Program Portal is possible to create "Bundle seed ID": "The Bundle Seed ID portion of your App ID can be utilized to share keychain access between multiple applications you build with a single App ID" Is possible to create only one App ID, for example: "XDFGYE6TR4.com.company.coolapp" and use it for all three versions of CoolApp, with enabled push notifications and in app purchases?

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